Western RB-400 Rotary Broom (Serial #170301-Higher) Installation guide

Brand: Western

Model: RB-400 Rotary Broom (Serial #170301-Higher)

Type: Installation guide

Western RB-400 Rotary Broom (Serial #170301-Higher) is a heavy-duty machine designed for professional-grade cleaning and maintenance tasks. With its powerful motor and durable construction, the RB-400 is ideal for sweeping and clearing debris from a variety of surfaces, including sidewalks, driveways, parking lots, and artificial turf. The adjustable height settings and multi-purpose brushes allow for customization to suit specific cleaning needs, making it a versatile tool for both snow removal and general cleanup.

April 15, 2017

Lit. No. 76636, Rev. 00

CAUTION

Read Owner's Manual before operating or

servicing rotary broom.

A DIVISION OF DOUGLAS DYNAMICS, LLC

Rotary Broom

RB400, 74880

Installation Instructions

Lit. No. 76636, Rev. 00 2 April 15, 2017

SAFETY PRECAUTIONS

Improper assembly and operation could cause

personal injury and/or equipment and property

damage. Read and understand labels, these

instructions, and the Owner's Manual before

assembling, operating, or making adjustments.

The machine is intended exclusively for use for

brushing operations in property maintenance and

snow clearance. Examples of intended use are: snow

clearing; sidewalk, driveway and parking lot cleaning

(with multi-purpose brushes); spring debris clean-up;

dethatching; clearing debris from artiﬁ cial turf; and leaf

clean-up (with multi-purpose brushes).

NOTE: Lubricate grease ﬁ ttings after each use.

Use a good quality multipurpose grease.

SAFETY

SAFETY DEFINITIONS

NOTE: Indicates a situation or action that can lead

to damage to your rotary broom or other property.

Other useful information can also be described.

WARNING

Indicates a potentially hazardous situation

that, if not avoided, could result in death or

serious personal injury.

CAUTION

Indicates a potentially hazardous situation

that, if not avoided, may result in minor to

moderate injury. It may also be used to alert

against unsafe practices.

WARNING

• Always make sure personnel are clear of

areas of danger when using equipment.

• Before working with the rotary broom,

secure all loose-ﬁ tting clothing and

unrestrained hair.

• Do not climb onto or ride on rotary broom.

CAUTION

• Do not operate a rotary broom in need of

maintenance.

• Before operating the rotary broom,

reassemble any parts or hardware removed

for cleaning or adjusting.

• Before operating the rotary broom, remove

materials such as cleaning rags, brushes,

and hand tools from the rotary broom.

• Tighten all fasteners according to the

Torque Chart. Refer to Torque Chart for the

recommended torque values.

Lit. No. 76636, Rev. 00 3 April 15, 2017

VENTILATION

NOISE

Airborne noise emission during use is below 70 dB(A)

for the rotary broom operator.

VIBRATION

Operating rotary broom vibration does not exceed

2.5 m/s2 to the hand-arm or 0.5 m/s2 to the whole

body.

SAFETY

PERSONAL SAFETY

• Wear only snug-ﬁ tting clothing while working on

your rotary broom.

• Do not wear jewelry or a necktie, and secure long

hair.

• Wear safety goggles to protect your eyes from dirt,

dust, and ﬂ ying debris.

• Be aware of and avoid pinch points when

assembling and operating. Pinch points can exist

around levers and when putting two parts together

(during assembly).

FIRE AND EXPLOSION

WARNING

Gasoline is highly ﬂ ammable and gasoline

vapor is explosive. Never smoke while

working on vehicle. Keep all open ﬂ ames

away from gasoline tank and lines. Wipe up

any spilled gasoline immediately.

WARNING

Engine exhaust contains lethal fumes.

Breathing these fumes, even in low

concentrations, can cause death. Never

operate an engine in an enclosed area without

venting exhaust to the outside.

Lit. No. 76636, Rev. 00 4 April 15, 2017

TORQUE CHART

To prevent damage to the equipment, do not tighten

fasteners with plastic nuts or directly contacting plastic

parts to the recommended torque. Tighten until it feels

tight.

1/4-20 109 154

1/4-28 121 171

5/16-18 150 212

5/16-24 170 240

3/8-16 269 376

3/8-24 297 420

7/16-14 429 606

7/16-20

9/16-12

9/16-18

5/8-11

5/8-18

3/4-10

3/4-16

7/8-9

7/8-14 474 669

644 9091-8

1-12 704 995

1/2-13

1/2-20

11.9

13.7

24.6

27.3

43.6

26.9

53.3

148

49.4

69.8

77.9

106.4

120.0

8.4

9.7

17.4

19.2

30.8

35.0

49.4

55.2

75.3

85.0

M6 x 1.00

M12 x 1.75

M8 x 1.25

M14 x 2.00

M10 x 1.50

M27 x 3.00

M22 x 2.50

M30 x 3.50

M24 x 3.00

M20 x 2.5011.1

19.5

38.5

107

7.7

613

778

1139

1545

450

428

562

796

1117

M33 x 3.50

M36 x 4.00

2101

2701

1468

1952

325

M16 x 2.00 231

167

M18 x 2.50 318222

Recommended Fastener Torque Chart

Size Size

Torque (ft- lb)

Grade

Metric Fasteners Class 8.8 and 10.9

These torque values apply to fasteners

except those noted in the instructions.

Torque (ft- lb)

Grade

Size Size

Torque (ft- lb)

Class

8.8

Class

10.9

Torque (ft- lb)

Class

8.8

Class

10.9

Inch Fasteners Grade 5 and Grade 8

CAUTION

Read instructions before assembling.

Fasteners should be ﬁ nger tight until

instructed to tighten according to torque

chart. Use standard methods and practices

when assembling rotary broom, including

proper personal protective safety equipment.

SAFETY

Lit. No. 76636, Rev. 00 5 April 15, 2017

ASSEMBLY INSTRUCTIONS

ROTARY BROOM ASSEMBLY

Use metric tools to assemble the rotary broom. Two

people are necessary for this procedure.

1. Rest the handlebar on the clamps.

2. Mount handlebar to the supports with the knob.

3. Put the other half of the clamps onto the studs.

4. Put ﬁ xing plates on the studs. Position as shown.

Front

Lit. No. 76636, Rev. 00 6 April 15, 2017

ASSEMBLY INSTRUCTIONS

5. Put M6 locknut and washer on the stud.

6. Using a 10 mm wrench, tighten the nuts so the

handlebars will still move, but not fall.

7. Using a 10 mm wrench, attach throttle lever with

M6 x 65 mm cap screw, washer, and locknut.

8. Put right and left wheels on the drive axle and

secure with the linchpin. Put the linchpin through

the axle only. This is the freewheel position (see

Owner's Manual for more information).

Lit. No. 76636, Rev. 00 7 April 15, 2017

ASSEMBLY INSTRUCTIONS

9. Support the machine at the front with a wooden

block. Secure the rear wheels with chocks.

Attach Support Wheel

1. Wheel with fasteners.

2. Push the sleeve through the wheel.

3. Position the support wheel as shown.

4. Push the M10 x 100 mm cap screw through and

thread on the nut. Use a 17 mm wrench.

Lit. No. 76636, Rev. 00 8 April 15, 2017

5. Use two 17 mm wrenches to tighten the fasteners.

6. Completed.

Wheel Drive Housing/Brush Drive Extension

Have another person hold the machine ﬁ rmly by the

handlebars.

1. Remove the cap screws on both sides that

hold the wheel drive housing to the brush drive

extension. DO NOT REUSE THE REMOVED

HARDWARE.

2. Remove the cap screws on both sides that hold

the wheel drive housing to the brush drive frame.

Pull the brush drive frame forward keeping the

frame-member as level as possible and keeping

the frame from scraping the cover. DO NOT

REUSE THE REMOVED HARDWARE.

ASSEMBLY INSTRUCTIONS

Pull frame forward;

keep frame-member level.

Lit. No. 76636, Rev. 00 9 April 15, 2017

ASSEMBLY INSTRUCTIONS

3. Loosely preassemble the brushing subassembly

to the axle drive housing with cap screws and

washers. Begin at the front.

4. Use a 13 mm wrench to tighten the fasteners that

hold the brushing mechanism to the axle drive

housing. Tighten in the order shown.

IMPORTANT: Tighten the bottom cap screws ﬁ rst,

then tighten the cap screws on the side. Please

note the order in which the fasteners are tightened.

Otherwise, the machine is not exactly aligned and

the drive belt could wear down the brush.

5. Fix the cable to the handle bars with cable ties

at the locations show. Trim off the excess when

ﬁ nished with all the cable ties.

Lit. No. 76636, Rev. 00 10 April 15, 2017

The ties here must form a loop. Do not tighten

completely. The cable must be able to move when

the handle is folded.

ASSEMBLY INSTRUCTIONS

Attach the Brush Cover Side Panels

1. Parts

2. Position the side panel so that the holes are

concentric.

Lit. No. 76636, Rev. 00 11 April 15, 2017

ASSEMBLY INSTRUCTIONS

3. Push the cap screws through from above. Push

the washers on from below, and screw on the

nuts. Tighten with a 13 mm wrench.

4. Repeat this procedure for the second panel.

Installing the Brushes

1. Screw the nut onto the axle until about

3/4" extends beyond the nut.

Axle

Nut

Locknut

Washer

Cap

Left

Brush

Right

Brush

Lit. No. 76636, Rev. 00 12 April 15, 2017

2. Put cap, washer, and locknut on the axle.

3. Tighten nuts to hold the cap and washer in place.

4. Put the axle with the cap, washer and right brush

through the drive source (centered underneath the

brush cover).

ASSEMBLY INSTRUCTIONS

5. Put the axle with the cap, washer and brush

through the drive source (centered underneath the

brush cover).

6. In the center, the tab on the cap-gear should ﬁ t

the slot on the brush cylinder.

7. Put the left brush on. Make sure the brush is

locked onto center cap-gear.

TA B

SLOT

Lit. No. 76636, Rev. 00 13 April 15, 2017

8. Put the cap and washer on the end. Thread on

locknut.

9. Tighten the axle using two 19 mm wrenches.

ASSEMBLY INSTRUCTIONS

Install the Belt Cover

10. Hardware needed: TORX® screws, countersink

washers, and snap nuts.

11. Installation of snap nuts.

TORX® is a registered (®) trademark of Textron, Inc.

Lit. No. 76636, Rev. 00 14 April 15, 2017

14. Put TORX® screws with the countersink washers

through the mounting holes on the cover and

thread into the snap nuts.

15. Tighten.

ASSEMBLY INSTRUCTIONS

12. Location of snap nuts.

13. Set the brush at an angle. Slip the cover over the

belt area and back so the snap Nuts can be seen

through the holes in the cover.

TORX® is a registered (®) trademark of Textron, Inc.

Lit. No. 76636, Rev. 00 15 April 15, 2017

Install the Plow Blade

1. Hold plow at an angle. Lower plow over receiver

bar. The bar will ﬁ t between the tabs on the plow.

2. Lower plow until the wheels rest on the ground.

IMPORTANT: Now that assembly is ﬁ nished, ﬁ ll

the motor with oil and fuel tank with unleaded

gasoline. See Maintenance Instructions in

Owner's Manual for oil-ﬁ lling instructions.

ASSEMBLY INSTRUCTIONS

Install Height Adjustment Knob

Thread the height adjustment knob into the height

adjustment mechanism: Put a lubricant on the threads.

Push the threads through the rubber bushing. Feel

around for the hole in the mechanism. Push down to

ensure the threads are lined up. Make sure the knob

is standing vertical. Begin tightening. Do not force the

knob to tighten. Refer to "Adjusting Brush Height" for

instructions to adjust the brush height.

Lit. No. 76636, Rev. 00 16 April 15, 2017

printed, mechanical, electronic, ﬁ lm or other distribution and storage media, without the written consent of Western Products. Authorization to

photocopy items for internal or personal use by Western Products outlets or rotary broom owner is granted.

Western Products reserves the right under its product improvement policy to change construction or design details and furnish equipment

when so altered without reference to illustrations or speciﬁ cations used. Western Products may require or recommend optional equipment

for rotary brooms. Western Products offers a limited warranty for all rotary brooms and accessories. See separately printed page for this

important information. The following are registered (®) trademarks of Douglas Dynamics, LLC: WESTERN®.

Printed in U.S.A.

A DIVISION OF DOUGLAS DYNAMICS, LLC

Western Products

PO Box 245038

Milwaukee, WI 53224-9538

www.westernplows.com

Western RB-400 Rotary Broom (Serial #170301-Higher) Installation guide

Western RB-400 Rotary Broom (Serial #170301-Higher) Installation guide

Western RB-400 Rotary Broom (Serial #170301-Higher) Installation guide

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